
AD9272
Rev. C | Page 18 of 44
–120
–100
–80
–60
–40
–20
0
–40 –35 –30 –25 –20 –15 –10 –5 0
IMD3 (dBFS)
FUND1 LEVEL (dBFS)
GAIN+ = 0.8V
GAIN+ = 1.6V
GAIN+ = 0V
f
IN1
= 5.00MHz,
f
IN2
= 5.01MHz
FUND2 LEVEL = FUND1 LEVEL – 20dB
07029-127
Figure 23. IMD3 vs. Fundamental 1 Amplitude Level